Cruickshank, D. R. (1990). Research that informs teachers and teacher educators. Phi Delta Kappa Educational Foundation.
Citace podle Chicago (17th ed.)Cruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Indiana: Phi Delta Kappa Educational Foundation, 1990.
Citace podle MLA (9th ed.)Cruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Phi Delta Kappa Educational Foundation, 1990.
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